1. Problem Solving and Computer Programming
Introduction
CMSC 104
Spring 2000
Problem Solving and Computer Programming

2. Am I in the right class? CMSC 104 CMSC 201
Assumes NO programming experience
Does NOT count towards your CS major
Prepares you for CMSC 201
CMSC 201
Assumes some programming experience
First CMSC course for CS majors
More challenging

3. Getting a GL Account at UMBC
You MUST have a GL account
Go to room ECS 005 (in the basement)
Sign-on to one of the PCs there
Type in the word register as the Login ID
No Password
Follow the instructions
Your account can be used in 24 hours

4. Changing your Unix password
Login by entering your id and password given on the sheet
At the Unix prompt type: passwd <Return>
You will be prompted for your new password; type it in and press <Return>
You will be asked to type the new password again

5. Changing your Unix password (continued)
You will be given a message that the password has been changed
OR you will be given a message that rejects your new password
Passwords should be at least 5 characters long, should be something you will remember.
Your password will be rejected if it is a commonly used word or name

6. Computer Science at UMBC
CSEE Administrative Offices
ECS 210
CSEE Student Services Office
ECS 201
CSCM (Sea Scum)
Computer Science Council of Majors
CSHC (Computer Science Help Center)
ECS 332 In the Mechanical Engr Dept.

7. UCS Labs
University Computing Services are responsible or all the computers
24 hour labs
ECS IBMs, MACs
Open Labs
ECS SGI Workstations
ECS IBMs (but not 104A)
ECS 122A -- IBMs
Print Dispatch -- ECS 019 ($$)

8. UCS Labs (Cont'd) Open, but sometimes reserved Hours of Operations
ECS IBMs
ECS MACs
Hours of Operations
Monday - Thursday 7 AM - 3 AM
Friday 7 AM - Midnight
Saturday 8 AM - Midnight
Sunday Noon - 3 AM

9. Consultants vs Tutors UCS Labs are staffed by consultants
using software (pine, xrn, netscape, etc.)
some text editors (emacs, pico)
operating system commands (Unix)
cleaning floppy disks
communicating with UMBC computers
CSHC is staffed by tutors
Help with homework and projects
emacs and Unix questions
ECS Hours to be announced

10. telnet Connect to your Internet Service Provider (ISP)
Windows 95/NT/98
Start
Run
telnet gl.umbc.edu

11. Hardware & Software Needs
Do I need my own computer?
No, but it is more convenient for you
If I have my own computer, can I use it?
Sure, but you will using it mostly to login to your GL account or for word processing
Do I need a C Compiler?
No, and if you buy one, you will be wasting your $$$. All programming should be done in your GL account.

12. Course Overview Introduction to Computer Organization and Architecture
Data Representation and Memory Usage
Introduction to Operating Systems
Problem Solving and Algorithm Development
Introduction to Software Engineering Using Top-Down Design
Compiling, Linking and Execution
C Programming
Reuse Based on Algorithm Selection and Design Techniques